<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>活动管理</el-breadcrumb-item>
      <el-breadcrumb-item>活动列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜素框 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加</el-button>
        </el-col>
      </el-row>

      <!-- 列表框 -->
      <el-table :data="userlist" stripe border>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column prop="mg_state" label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="statusChange(scope.row)"> </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="editDialog(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteUser(scope.row.id)"></el-button>
            <!--  分配按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable='false'>
                <el-button type="warning" icon="el-icon-setting" size="mini" @click="showSetRoleDialog(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 3, 4]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
      </el-pagination>
    </el-card>

     <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClose">
      <!-- 内容主体区域 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 编辑对话框 -->
     <el-dialog title="编辑用户" :visible.sync="editDialogVisible" width="50%" @close="addDialogClose">
      <!-- 内容主体区域 -->
      <el-form :model="editForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名"  >
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" >
      <!-- 内容主体区域 -->
        <div>
          <p>用户名:{{userInfo.username}}</p>
          <p>当前角色:{{userInfo.role_name}}</p>
          <p>分配角色:
        <el-select v-model="selectRoleById" placeholder="请选择角色">
          <el-option
            v-for="item in roleList"
            :key="item.id"
            :label="item.roleName"
            :value="item.id">
          </el-option>
        </el-select>
          </p>
        </div>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="setRole">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data () {
    // 验证邮箱的规则
    var checkEmail = function (rule, val, cd) {
      // 验证邮箱的正则表达式
      var reg = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (reg.test(val)) {
        // 合法的邮箱
        return cd()
      } else {
        cd(new Error('邮箱不符合要求'))
      }
    }
    // 验证手机号的规则
    var checkMobile = function (rule, val, cd) {
      var reg = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (reg.test(val)) {
        cd()
      } else {
        cd(new Error('手机号不符合要求'))
      }
    }
    return {
      queryInfo: {
        query: '',
        // 页码
        pagenum: 1,
        // 每页显示多少条
        pagesize: 2
      },
      // 总条数
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '用户名的长度在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]

      },
      // 控制编辑用户对话框的显示与隐藏
      editDialogVisible: false,
      // 编辑表单的数据
      editForm: {},
      userlist: [],
      setRoleDialogVisible: false,
      userInfo: {},
      roleList: [],
      selectRoleById: undefined
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    // 刷新数据
    async getUserList () {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      this.total = res.data.total
      this.userlist = res.data.users
    },
    // 监听pagesize
    handleSizeChange (size) {
      this.queryInfo.pagesize = size
      this.getUserList()
    },
    // 监听页码值的改变
    handleCurrentChange (num) {
      this.queryInfo.pagenum = num
      this.getUserList()
    },
    // 监听状态
    async statusChange (userInfo) {
      const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      // this.$message.success('更新用户状态成功！')
    },
    // 监听添加用户对话框关闭后重置文本框
    addDialogClose () {
      this.$refs.addFormRef.resetFields()
    },
    // 点击确定按钮,添加数据
    addUser () {
      this.$refs.addFormRef.validate(async vald => {
        if (vald) {
          // 验证通过
          const { data: res } = await this.$http.post('users', this.addForm)
          if (res.meta.status !== 201) {
            return this.$message.error('添加用户失败')
          }
          this.$message.success('添加用户成功')
          // 隐藏添加用户的对话框
          this.addDialogVisible = false
          // 重新获取用户列表数据
          this.getUserList()
        } else {
          // 验证不通过
          this.$message.error('验证失败')
        }
      })
    },
    // 编辑对话框
    async editDialog (id) {
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + id)
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 点击确定按钮,添加数据
    editUser () {
      this.$refs.addFormRef.validate(async vald => {
        if (vald) {
          // 验证通过
          const { data: res } = await this.$http.put('users/' + this.editForm.id, { email: this.editForm.email, mobile: this.editForm.mobile })
          if (res.meta.status !== 200) {
            return this.$message.error('添加用户失败')
          }
          this.$message.success('添加用户成功')
          // 隐藏添加用户的对话框
          this.editDialogVisible = false
          // 重新获取用户列表数据
          this.getUserList()
        } else {
          // 验证不通过
          this.$message.error('验证失败')
        }
      })
    },
    // 点击删除按钮
    deleteUser (id) {
      this.$confirm('是否删除', '提示', {
        confirmButtonText: '是',
        cancelButtonText: '否',
        type: 'warning'
      }).then(async action => {
        await this.$http.delete('users/' + id)
        this.getUserList()
      }).catch(() => {
        this.$message({
          message: '取消删除',
          type: 'error',
          showClose: true,
          duration: 3000
        })
      })
    },
    // 点击分配角色按钮
    async showSetRoleDialog (userInfo) {
      this.userInfo = userInfo
      this.setRoleDialogVisible = true
      const { data: res } = await this.$http.get('roles')
      this.roleList = res.data
    },
    // 点击分配角色对话框确认按钮
    async setRole () {
      this.setRoleDialogVisible = false
      await this.$http.put('users/' + this.userInfo.id + '/role', { rid: this.selectRoleById })
      this.getUserList()
    }
  }
}
</script>
<style lang="less" scoped>
</style>
